4- Table below gives the inventory demand and replenishment of four products. Inventory level in a warehouse 1 4 5 6 7 8 9 10 11 12 2 3 30 25 20 15 10 5 30 25 20 15 10 5 A 40 34 28 B 28 22 16 10 10 5 22 | 16 | 10| 40 | 34 10 C 5 15 1284 15 10 5 15 10 D 16 5 60 49 38 27 16 5 Period Products 28 22 c) The storage layout and the required space. 60 49 38 27 Determine: a) Randomized storage and dedicated storage sizes. b) Number of racks for each type of storage, If the products to be stored on pallet rack. Given the following data: Each pallet opening is 1.15 x 1.15 x 1.4-m. The rack is constructed of 10-cm tubular stock. The number of rack opening on the floor is 10. The warehouse ceiling height is 6-m.